US Bridges

Bridge CR Road over San Poil River

Fair

Ferry County, Washington · 00.2 E JCT SR 21 · Structure no. 084167000000000

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
290
2018 count
Owner
County
County Highway Agency

About this bridge

Bridge CR Road over San Poil River is a concrete continuous tee beam carrying Bridge CR Road over San Poil River in Ferry County, Washington. It was built in 1960, so it is 65 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 290 vehicles a day, roughly 10% of them trucks, projected to reach 355 by 2040. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBridge CR Road
CrossesSan Poil River
Location00.2 E JCT SR 21
RouteCounty Highway 20
Coordinates48.22843, -118.69933
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length110 ft (33.5 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2018)
Projected traffic355 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge CR Road over San Poil River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Bridge CR Road over San Poil River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Bridge CR Road over San Poil River carry?

About 290 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Bridge CR Road over San Poil River?

The structure is 110 ft (33.5 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns Bridge CR Road over San Poil River?

It is owned by the County Highway Agency.